Rollup merge of #119712 - madsravn:parsing-errors, r=estebank

Adding alignment to the cases to test for specific error messages.

Adding alignment to the list of cases to test for specific error message. Covers `>`, `^` and `<`.

Pinging people who chimed in last time ( rust-lang/rust#106805 ): ``@estebank`` , ``@compiler-errors`` and ``@Nilstrieb``

Author: matthiaskrgr